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Re: xsrc/40582: Mode_switch key press takes 2 seconds to get processed



On Wed, Feb 11, 2009 at 03:20:43PM +0100, Michael Stapelberg wrote:
> Hi,
> 
> Some further debugging (ktrace'ing X) unveiled that it was an ioctl, namely
> KDSETLEDS, which was taking so long. I'm not sure what it's for, since I've
> removed the lock for Capslock, there should be no need to change the LED
> status.
> 
> So, i've tried just ignoring the ioctl in kernel, which did work (no LEDs
> active on the keyboard anymore), but the lag was still there.
> 
> Then, I tried disabling LED-setting in xf86-input-keyboard, which did work -
> no more lag :-).

FWIW, I have a Dell USB keyboard whose Caps Lock key also "lags"
as you describe in X on NetBSD.  This should suffice to identify
the keyboard, just in case somebody wants to compare models:

        Model: L100
        Ext. No.: U011
        S/N.: CN0RH659735717BR031C
        REV A03

Dave

-- 
David Young             OJC Technologies
dyoung%ojctech.com@localhost      Urbana, IL * (217) 278-3933


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